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一.洋槐的造林价值及其生物学特性洋槐(Robinia pseudoacacia Linn)在改造我國自然条件,尤其在綜合治理黄河上,对森林改良土壤、防止侵蝕、及用材、薪炭方面,可以起重大作用。洋槐原產美國阿巴拉吉安山,自宾夕法尼亞向南达北乔治亞和南爱里奴,向西南到达印第安那和阿堪薩,并在落璣山东部广为栽种。而加拿大亦已栽种。据靜哈(Zingher
I. Afforestation value and its biological characteristics of Robinia pseudoacacia Linn Robinia pseudoacacia Linn can play a significant role in improving the natural conditions of our country, especially in the Yellow River. It can play a significant role in forest improvement of soil, erosion prevention, wood use and firewood. Acacia native to the United States Apala Ji’an Mountains, from Pennsylvania to South Georgia North and South Aarino, southwest to reach Indiana and Arkansas, and in Mount Iji extensively planted. And Canada has planted it. According to Jing Ha (Zingher